Cloud computing is the latest evolution of computing, where IT resources are offered as services. The hardware and software systems that manage these services are referred to as Infrastructure as a Service (IaaS) and Platform as a Service (PaaS), while actual applications managed and delivered by IaaS and PaaS are referred to as Software as a Service (SaaS). The combination of virtualization, IaaS, and PaaS hold the potential to revolutionize software application (SaaS) life-cycle management. If Cloud computing is properly applied within an overall IT strategy, it can help small and medium business enterprises (SMEs) and governments lower their IT costs, by taking advantage of economies of scale and automated IT operations, while at ...

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